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/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "coco/IR/FeatureLayouts.h"
#include <nncc/core/ADT/feature/CHWLayout.h>
#include <nncc/core/ADT/feature/HWCLayout.h>
#include <cassert>
using namespace nncc::core::ADT::feature;
//
// BCHW Layout
//
namespace coco
{
namespace FeatureLayouts
{
const FeatureLayout::ID *BCHW::uid(void)
{
struct LayoutID final : public FeatureLayout::ID
{
};
static LayoutID id;
return &id;
}
ElemID BCHW::at(uint32_t b, uint32_t ch, uint32_t row, uint32_t col) const
{
static CHWLayout l;
uint32_t offset = 0;
offset += b * num_elements(_shape);
offset += l.offset(_shape, ch, row, col);
return ElemID{offset};
}
std::unique_ptr<BCHW> BCHW::create(const nncc::core::ADT::feature::Shape &shape)
{
// NOTE It is impossible to use make_unique here as the constructor is private
return std::unique_ptr<BCHW>{new BCHW{FeatureShape{shape}}};
}
} // namespace FeatureLayouts
} // namespace coco
//
// BHWC Layout
//
namespace coco
{
namespace FeatureLayouts
{
const FeatureLayout::ID *BHWC::uid(void)
{
struct LayoutID final : public FeatureLayout::ID
{
};
static LayoutID id;
return &id;
}
ElemID BHWC::at(uint32_t b, uint32_t ch, uint32_t row, uint32_t col) const
{
static HWCLayout l;
uint32_t offset = 0;
offset += b * num_elements(_shape);
offset += l.offset(_shape, ch, row, col);
return ElemID{offset};
}
std::unique_ptr<BHWC> BHWC::create(const nncc::core::ADT::feature::Shape &shape)
{
// NOTE It is impossible to use make_unique here as the constructor is private
return std::unique_ptr<BHWC>{new BHWC{FeatureShape{shape}}};
}
std::unique_ptr<BHWC> BHWC::create(const FeatureShape &shape)
{
// NOTE It is impossible to use make_unique here as the constructor is private
return std::unique_ptr<BHWC>{new BHWC{shape}};
}
} // namespace FeatureLayouts
} // namespace coco
//
// BC: Channel-major Channel-wise Layout
//
namespace coco
{
namespace FeatureLayouts
{
const FeatureLayout::ID *BC::uid(void)
{
struct LayoutID final : public FeatureLayout::ID
{
};
static LayoutID id;
return &id;
}
// NOTE BC layout ignores row/col as its name suggests
ElemID BC::at(uint32_t b, uint32_t ch, uint32_t /*row*/, uint32_t /*col*/) const
{
assert(b < shape().batch());
uint32_t offset = 0;
offset += b * _shape.depth();
offset += ch;
return ElemID{offset};
}
std::unique_ptr<BC> BC::create(const nncc::core::ADT::feature::Shape &shape)
{
// NOTE It is impossible to use make_unique here as the constructor is private
return std::unique_ptr<BC>{new BC{FeatureShape{shape}}};
}
} // namespace FeatureLayouts
} // namespace coco
//
// Generic Layout
//
namespace coco
{
namespace FeatureLayouts
{
Generic::Generic(const FeatureShape &shape) : _shape{shape}
{
_content.resize(_shape.batch() * num_elements(_shape));
}
const FeatureLayout::ID *Generic::uid(void)
{
struct LayoutID final : public FeatureLayout::ID
{
};
static LayoutID id;
return &id;
}
uint32_t Generic::offset(uint32_t b, uint32_t ch, uint32_t row, uint32_t col) const
{
static nncc::core::ADT::feature::CHWLayout l{};
uint32_t res = 0;
res += b * num_elements(_shape);
res += l.offset(shape(), ch, row, col);
return res;
}
ElemID &Generic::at(uint32_t b, uint32_t ch, uint32_t row, uint32_t col)
{
return _content.at(offset(b, ch, row, col));
}
ElemID Generic::at(uint32_t b, uint32_t ch, uint32_t row, uint32_t col) const
{
return _content.at(offset(b, ch, row, col));
}
void Generic::reorder(const nncc::core::ADT::feature::Layout &l)
{
assert(shape().batch() == 1);
for (uint32_t ch = 0; ch < shape().depth(); ++ch)
{
for (uint32_t row = 0; row < shape().height(); ++row)
{
for (uint32_t col = 0; col < shape().width(); ++col)
{
at(0, ch, row, col) = ElemID{l.offset(shape(), ch, row, col)};
}
}
}
}
std::unique_ptr<Generic> Generic::create(const nncc::core::ADT::feature::Shape &shape)
{
// NOTE It is impossible to use make_unique here as the constructor is private
return std::unique_ptr<Generic>{new Generic{shape}};
}
} // namespace FeatureLayouts
} // namespace coco
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